Tube Turns (Kentucky). (1960). Tube-Turn: Welding fittings flanges. Tube Turns.
Cita Chicago Style (17a ed.)Tube Turns (Kentucky). Tube-Turn: Welding Fittings Flanges. Louisville: Tube Turns, 1960.
Cita MLA (9a ed.)Tube Turns (Kentucky). Tube-Turn: Welding Fittings Flanges. Tube Turns, 1960.
Precaución: Estas citas no son 100% exactas.